Analysis
- max time kernel
20s - max time network
114s - platform
windows10_x64 - resource
win10v20210410 - submitted
13/07/2021, 13:04
General
- Target 23b5fe9f598b0dda92936b10dc2f4286.exe
- Size 2.4MB
- Sample210713-5bp7ftclss
- SHA256 a7ebec6f8454815d08c8931f403854e28dfd6ca7c04d59dff34883e2cb413bb2
Malware Config
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Themida packer 1 IoCs
Detects Themida, an advanced Windows software protection system.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\23b5fe9f598b0dda92936b10dc2f4286.exe"C:\Users\Admin\AppData\Local\Temp\23b5fe9f598b0dda92936b10dc2f4286.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3904-115-0x0000000000FF0000-0x0000000000FF1000-memory.dmp
memory/3904-117-0x0000000005790000-0x0000000005791000-memory.dmp
memory/3904-118-0x00000000050B0000-0x00000000050B1000-memory.dmp
memory/3904-119-0x0000000005110000-0x0000000005111000-memory.dmp
memory/3904-120-0x00000000774C0000-0x000000007764E000-memory.dmp
memory/3904-121-0x0000000005180000-0x0000000005181000-memory.dmp
memory/3904-122-0x00000000053C0000-0x00000000053C1000-memory.dmp
memory/3904-123-0x0000000005170000-0x0000000005171000-memory.dmp
memory/3904-124-0x0000000006630000-0x0000000006631000-memory.dmp
memory/3904-125-0x0000000006D30000-0x0000000006D31000-memory.dmp
memory/3904-126-0x0000000006800000-0x0000000006801000-memory.dmp
memory/3904-127-0x0000000007760000-0x0000000007761000-memory.dmp
memory/3904-128-0x0000000006CA0000-0x0000000006CA1000-memory.dmp